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Output control system for multicylinder internal combustion engine

  • US 4,434,767 A
  • Filed: 12/23/1981
  • Issued: 03/06/1984
  • Est. Priority Date: 12/24/1980
  • Status: Expired due to Fees
First Claim
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1. An output control system for a multicylinder internal combustion engine having an intake pipe comprising an engine speed detector for detecting the speed of the engine, signal output means for producing a signal corresponding to an output required of the engine, first control means for receiving signals of said engine speed detector and said signal output means, said first control means controlling the number of combinations during predetermined combustion cycles in all cylinders by periodically stopping fuel injection to a specific cylinder to periodically stop the fuel combustion during the cycles in accordance with the signals of said engine speed detector and said signal output means and supplying fuel to the engine intermittently thereby to subject the engine to a partial cylinder operation, and second control means including a constant pressure valve for controlling the pressure in the intake pipe at a constant level at the time of partial load operation of the engine.

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